Sakai Drum Roller SV620T | 7.4 ton

Description

Sakai Drum Roller SV620T | 7.4 ton

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Specification Unit Sakai Drum Roller SV620T | 7.4 ton

The Sakai SV620T is a high-performance vibratory single drum roller designed for medium to large soil compaction projects. It is part of the SV620 series, known for its heavy-duty build and efficient Isuzu engine.
While the total operating weight of the SV620T is approximately 13.2 tons, the 7.4 ton figure specifically refers to the load on the front axle (drum), which is critical for determining the actual compaction pressure applied to the ground.

Technical Specifications: Sakai SV620T

Category Specification Details;
Weight Operating Weight ~13,140 kg (with Awning).
Front Axle Load (Drum) 7,490 kg (approx. 7.5 tons).
Rear Axle Load 5,650 kg.
Engine Make/Model Isuzu 4BG1T (Turbocharged).
Rated Output 83.3 kW (112 HP) @ 2,100 rpm.
Type Diesel, water-cooled, 4-cycle, 4-cylinder.
Vibration Centrifugal Force 172 / 255 kN (Low / High).
Frequency 33.3 / 28.3 Hz (2,000 / 1,700 vpm).
Amplitude 0.94 / 1.92 mm.
Dimensions Overall Length 5,840 mm.
Overall Width 2,295 mm.
Compaction Width 2,130 mm.
Drum Diameter 1,600 mm.
Performance Speed Range 0 – 10 km/h.
Gradeability 49% (26°).
Ekspor ke Spreadsheet.

Key Features

Eco Compaction Mode (ECM): Reduces fuel consumption by up to 20% while maintaining high compaction performance.
Vibration Isolation: Features Sakai’s dual rubber isolation system, which protects the operator and the chassis from intense vibrations.
Serviceability: The engine hood opens fully, providing easy access to hydraulic components and the engine for daily maintenance.
Safety: Equipped with a dual braking system (hydrostatic dynamic braking and a spring-applied, hydraulically released secondary brake).
Note: The “T” in SV620T typically denotes the specific configuration or tire/drum setup (often associated with traction or specific regional standards).
Would you like me to compare these specs with a similar model, such as the SV520T, or help you find a local dealer for parts and service?

Engine

Model : KUBOTA V3300.
Type : Water-cooled, 4-cycle direct injection.

Engine power
at rated engine speed 2800 rpm
ISO 14396 34.3 kW / 46.0 HP
ISO 9249 (net engine power) 33.7 kW / 45.2 HP

No. of cylinders : 4
Bore × stroke : 88 × 90 mm.

Displacement : 2.19 l.
Max. torque / engine speed :140 Nm / 1820 rpm.
Cooling system : Water

Fuel

Diesel fuel, conforming to EN590
Class 2/Grade D. Paraffinic fuel
capability (HVO, GTL, BTL),
conforming to EN 15940:2016

Transmission

Type : Hydrostatic
Pumps : 2 × variable displacement.

Hydraulic motors : 2 × axial pistons.
No. of speeds : 2.

Max. travel speed 16 km/h
Automatic working and parking brakes

Hydraulic system

Type Komatsu CLSS
Hydraulic pump Gear pump.

Max. pump flow 62 l/min
Max. operating pressure 190 bar
Max. pump flow – “Super Flow” (option) 100 l/min

Performance

Rated operating capacity : 345 kg  ( 760.60 in )
Tipping load : 690 kg ( 1521.19 in ).

Maximum travel speed : 10.3 km/h  ( 6.4 mph )
Maximum drawbar pull : 10.1 kN ( 2270.57 lbf ).

Lift arm breakout force : 7.6 kN ( 1708.55 lbf )
Bucket breakout force : 8.7 kN ( 1955.84 lbf )
Gradeability : 25°

Hydraulic System

Maximum flow : 38 L/min ( 10.04 gal/min )
Pressure – Working equipment circuit : 19 MPa ( 2755.72 psi ).

Pressure – Travel circuit : 25 MPa ( 3625.94 psi )
Pressure – Pilot circuit : 2.4 MPa ( 348.09 psi )

Loader

Operating capacity (standard bucket) 680 kg
Tipping load (standard bucket) 1360 kg.

Standard bucket capacity (ISO 7546) 0.35 m³
Bucket breakout force (ISO 14397) 1383 daN (1410 kg).

Operating capacity with pallet forks 490 kg
Max. loading height with forks 2660 mm
Reach with forks 1565 mm

Operating weight (appr.)

Weight, including open cab, operator (75 kg), liquids,
filled tank and standard equipment (without bucket) : 2675 kg.

Standard bucket (1580 mm) + 172 kg
Additional counterweight + 120 kg
Front door + 40 kg

Service refill capacities

Fuel tank 67 l
Cooling system 9.0 l
Engine oil 7.5 l
Hydraulic system 27 l
Final transmission 14.4 l

Environment

Engine emissions Fully complies with EU Stage V
exhaust emission regulations.

Noise levels.
LwA external 85 dB(A) (2000/14/EC Stage II)
LpA operator ear 101 dB(A) (ISO 6396 dynamic test).

Vibration levels (EN 12096:1997)
Hand/arm ≤ 2.5 m/s² (uncertainty K = 1.2 m/s²)
Body ≤ 0.5 m/s² (uncertainty K = 0.2 m/s²)